42070550 has 12 divisors (see below), whose sum is σ = 78251316. Its totient is φ = 16828200.

The previous prime is 42070547. The next prime is 42070559. The reversal of 42070550 is 5507024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42070559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420656 + ... + 420755.

It is an arithmetic number, because the mean of its divisors is an integer number (6520943).

Almost surely, 2^42070550 is an apocalyptic number.

42070550 is a deficient number, since it is larger than the sum of its proper divisors (36180766).

42070550 is a wasteful number, since it uses less digits than its factorization.

42070550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841423 (or 841418 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 42070550 is about 6486.1814652382. The cubic root of 42070550 is about 347.7971855175.

Adding to 42070550 its reverse (5507024), we get a palindrome (47577574).

The spelling of 42070550 in words is "forty-two million, seventy thousand, five hundred fifty".